Those who worry about the vulnerability of the world's oil shipping lanes should calm down. Oil tankers are more resilient than often presumed, and only the United States has the capability to seriously disrupt maritime traffic -- which it will not do.

By rushing into Iraq instead of finishing off the hunt for Osama bin Laden, Washington has unwittingly helped its enemies: al Qaeda has more bases, more partners, and more followers today than it did on the eve of 9/11. Now the group is working to set up networks in the Middle East and Africa -- and may even try to lure the United States into a war with Iran. Washington must focus on attacking al Qaeda's leaders and ideas and altering the local conditions in which they thrive.

The population of western Europe is aging steadily, and the region's birthrate is well below the replacement level, but Europe's elderly are exceptionally healthy. That means they could be more productive for longer than their predecessors were. If western European governments learn to tap this potential, healthy aging could become the region's next great economic asset.